Home / 13,484.12-20,226.20-5,688.68

Finding the Fourth Proportional to 13,484.12, 20,226.20 and 5,688.68

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Solution

The fourth proportional to 13,484.12, 20,226.20 and 5,688.68 is: 8,533.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484.12 : 20,226.20 = 5,688.68 : x
  2. Step 2: Convert to fraction form
    13,484.12/20,226.20 = 5,688.68/x
  3. Step 3: Cross multiply
    13,484.12x = 20,226.20 × 5,688.68
  4. Step 4: Simplify right side
    13,484.12x = 115,060,249.84
  5. Step 5: Solve for x
    x = 115,060,249.84/13,484.12
  6. Step 6: Final answer
    x = 8,533.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.